28621690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69809}}^1$

素因数の和:69857

約数の個数: 16

約数和(自身を含む): 52776360

約数和(自身を除く): 24154670

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 69809, 139618, 349045, 698090, 2862169, 5724338, 14310845, 28621690]

約数ペア:

[(1, 28621690), (2, 14310845), (5, 5724338), (10, 2862169), (41, 698090), (82, 349045), (205, 139618), (410, 69809)]